Title :
Fast Watermarking Based on QR Decomposition in Wavelet Domain
Author :
Naderahmadian, Yashar ; Hosseini-Khayat, Saied
Author_Institution :
Ferdowsi Univ. of Mashhad, Mashhad, Iran
Abstract :
A novel blind watermarking technique based on QR decomposition in still images is proposed. The method is implemented in wavelet domain and its robustness has been evaluated against some image processing attacks and the results have been compared with two traditional methods i.e., SVD and DCT. It is shown that while the proposed scheme has low computational complexity, it has better robustness against some image processing attacks in comparison with SVD and DCT methods.
Keywords :
copyright; image coding; matrix decomposition; watermarking; wavelet transforms; DCT method; QR decomposition; SVD method; blind watermarking technique; computational complexity; image processing attack; still image; wavelet domain; Discrete cosine transforms; Discrete wavelet transforms; Filtering; Image processing; Robustness; Watermarking; Arnold transformation; QR decomposition; copyright protection; watermarking;
Conference_Titel :
Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP), 2010 Sixth International Conference on
Conference_Location :
Darmstadt
Print_ISBN :
978-1-4244-8378-5
Electronic_ISBN :
978-0-7695-4222-5
DOI :
10.1109/IIHMSP.2010.39
